(Updated) Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) [MC1163757]

(Updated) Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) [MC1163757]

Message ID: MC1163757 (Updated) Updated October 2, 2025: After further review, we are not rolling out to Production (Worldwide). We apologize for any inconvenience.[Introduction]We will soon introduce a new limit on dynamic distribution groups (DDGs) in Microsoft Exchange Online. Each…
(Updated) Microsoft Outlook: Summarize email with Copilot chat [MC1162289]

(Updated) Microsoft Outlook: Summarize email with Copilot chat [MC1162289]

Message ID: MC1162289 (Updated) Updated October 2, 2025: We have updated the content. Thank you for your patience.[Introduction]We're introducing a new way to quickly summarize emails and attachments using Copilot chat in Outlook. With a single click, users can generate…
(Updated) Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) [MC1163757]

(Updated) Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) [MC1163757]

Message ID: MC1163757 (Updated) Updated October 2, 2025: We have updated the title. Thank you for your patience.[Introduction]We will soon introduce a new limit on dynamic distribution groups (DDGs) in Microsoft Exchange Online. Each organization will be limited to a…
Upcoming Secure by Default Settings Changes for Exchange and Teams APIs [MC1163922]

Upcoming Secure by Default Settings Changes for Exchange and Teams APIs [MC1163922]

Message ID: MC1163922 As part of the Microsoft Secure Future Initiative (SFI) and in alignment with the “Secure by Default" principle, we are updating the Microsoft-managed default consent policy in Microsoft 365 Graph to align with Microsoft’s ongoing security improvements,…
Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) for Microsoft 365 operated by 21Vianet [MC1163757]

Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) for Microsoft 365 operated by 21Vianet [MC1163757]

Message ID: MC1163757 [Introduction]We will soon introduce a new limit on dynamic distribution groups (DDGs) in Microsoft Exchange Online. Each organization will be limited to a maximum of 3,000 DDGs. After this limit is reached, admins will need to remove…